Character development is also likely to be a big part. Writers might explore the psychological impact on the characters in more depth. For instance, how the survivors cope with the trauma of the invasion and how it changes their relationships with each other. They could give more backstory to the characters, making them more relatable and complex.
Another concept could be the expansion of the world - both literally and figuratively. Fanfiction might introduce new locations that were not in the original story, perhaps hidden underground bunkers where humans are making their last stand. Figuratively, it could expand on the social and political aspects of a world under alien attack, like how different countries cooperate or compete in the face of this common enemy.
One interesting concept could be alternate endings. Maybe in some fanfiction stories, the aliens in 'War of the Worlds' are defeated in a completely different way than in the original. For example, instead of being killed by bacteria, they are outsmarted by human technology that was developed specifically to counter their attacks.
One interesting concept could be the combination of the high - tech elements from Mass Effect with the historical setting of World War 2. For example, imagining Shepard - like characters using biotics in the battlefields of WW2. It might also involve the races from Mass Effect, like Turians or Asari, interacting with the human factions of WW2 in unique ways.
Another concept might be character development. Fanfiction often delves deeper into the characters. In 'the war of the worlds fanfiction', we could see the main character becoming a more strategic leader, learning from each encounter with the aliens and growing in ways not explored in the original.
Well, in 'all the world's a game fanfiction', the idea of different levels of the game being representative of different aspects of society is quite fascinating. For example, the higher levels could symbolize power and privilege, while the lower levels might represent the struggle of the common people. Also, the way characters form alliances or rivalries based on their game positions can lead to complex and exciting storylines.
One interesting concept could be exploring different character backstories in more depth. For example, delving into the pre - apocalyptic lives of the female characters and how it shaped their personalities in the fanfiction. Another concept might be the creation of new relationships among the characters that were not as prominent in the original work.
One interesting concept could be alternative character backstories. For example, a fanfiction might explore what led a side character to become an agent. Another concept could be different rankings systems within the Border organization. It could also be about new types of Triggers that are created by the characters in the fanfiction.
One interesting concept is the exploration of different magical creatures that are only briefly mentioned in the original wizarding world. For example, fanfiction might delve deeper into the lives and behaviors of thestrals. Another is the creation of new spells and how they interact with the existing magical system. It can also be interesting to see how different authors re - imagine the Hogwarts houses, perhaps by adding new traditions or changing the way students are sorted.
One interesting concept could be the inversion of power dynamics. For example, if in the original world a certain character was weak, in the reverse world fanfiction they might be extremely powerful. Another concept could be the reversal of moral values. What was considered good in the original might be seen as bad in the reverse world, leading to very different character interactions and plot developments.
One interesting concept could be alternate endings for the World of Light story. For example, what if a different character became the hero and saved the day instead of the main protagonist? Another could be exploring the backstories of the various spirits in more depth, like their lives before being turned into spirits.
In 'god of war worm fanfiction', a cool concept might be the idea of Kratos facing off against some of the most powerful entities in the Wormverse. His skills as a warrior would be put to the ultimate test against foes with strange and unpredictable powers.
One interesting concept could be the fusion of the unique combat styles from RWBY and the gritty, military - themed combat of Gears of War. For example, seeing how RWBY characters would adapt to using the Lancer or the Hammerburst. Another concept might be the interaction between the Grimm from RWBY and the Locust from Gears of War. It could lead to some really intense battles and strategic planning. Also, the idea of Dust being used in the Gears of War universe or vice versa, like using the Imulsion as a power source in RWBY, is quite fascinating.